Description

3-Ethyl-2-Thiophenecarboxylic Acid is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound serves as a critical intermediate in the development of pharmaceuticals, agrochemicals, and functional materials, offering a unique thiophene scaffold for molecular diversification. It is particularly valuable for researchers and manufacturers in the pharmaceutical and specialty chemical industries seeking to create novel active compounds with tailored properties.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a precursor for organic electronic materials, such as conductive polymers and organic semiconductors, due to the electron-rich thiophene ring.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Acts as a building block for various specialty chemicals, including dyes, pigments, and flavor/fragrance compounds.

Basic Information

Product Name	3-Ethyl-2-Thiophenecarboxylic Acid
CAS No.	74965-84-7
Molecular Formula	C7H8O2S
Molecular Weight	156.20 g/mol
Synonyms	3-Ethylthiophene-2-carboxylic Acid; 2-Thiophenecarboxylic Acid, 3-Ethyl-; 3-Ethyl-2-carboxythiophene; 3-Ethylthiophene-2-carboxylic acid; 74965-84-7; 3-Ethyl-2-thiophenecarboxylic acid; 3-Ethylthiophene-2-carboxylic acid (ACI)
EINECS	Contact for details

Quality Control

Our 3-Ethyl-2-Thiophenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.